OpenTechnical

OT-2026-000009675

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000009675) never changes.

Identity and time

Publication numberOT-2026-000009675 · never reused
Internal UUID01a0ae6b-7564-7365-8576-a5c09b673a6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009675
StatusPUBLIC

Content hashes

Canonical textffa3729966dbbb408e1e38acbcec5ae973dfa75c1cea0fd9c616641f2a53dca7
Markdown8cfd2feb777dda56c36bdd20ee88db7fe10e1fdd6f8b4d911592a1d70221ad99
PDF
Publication page8848beaa423eaa2e65ff7a484fa5822a6aee922db9bea42d4b517eabd170d14a
Manifest41e1f74a9aa39435e5b0b0afe76712d35f245eba3cf689898fbb99e59effbfbe

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature2DsPwUqNhldqlmTkq1UBLn9k05WkEZUiDiauip9gLyvGO9Xr68liT3LpmHUL2u6kS0+IuGqeYVjqEm0a5Z9SAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:09.137496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009675
observed 8848beaa423eaa2e65ff7a484fa5822a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:09.114639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009675/manifest.json
observed 41e1f74a9aa39435e5b0b0afe76712d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:09.091774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009675/publication.md
observed 8cfd2feb777dda56c36bdd20ee88db7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:09.073837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009675/publication.txt
observed ffa3729966dbbb408e1e38acbcec5ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.